private void BuildBatches()
{
JobHandle[] handles = new JobHandle[cellToProcess.Count];
for (int i = 0; i < cellToProcess.Count; ++i)
{
int cellIndex = cellToProcess[i];
GGrassPatchNativeData nativeData = cellsNativeData[cellIndex];
//GGrassPatch cell = cellToProcess[i];
GBuildInstancedBatchJob job = new GBuildInstancedBatchJob()
{
instances = nativeData.instances,
batchMetadata = nativeData.metadata,
maxLength = BATCH_MAX_INSTANCE_COUNT
};
handles[i] = job.Schedule();
}
GJobUtilities.CompleteAll(handles);
for (int i = 0; i < cellToProcess.Count; ++i)
{
int cellIndex = cellToProcess[i];
CreateInstancedBatches(cellIndex);
}
}
private void CreateInstancedBatches(int cellIndex)
{
GGrassPatchNativeData nativeData = cellsNativeData[cellIndex];
NativeArray <Matrix4x4> trs = nativeData.trs;
NativeArray <Vector3Int> metadata = nativeData.metadata;
GInstancedBatch[] batches = new GInstancedBatch[metadata[0].z];
for (int i = 0; i < batches.Length; ++i)
{
int prototypeIndex = metadata[i + 1].x;
int startIndex = metadata[i + 1].y;
int length = metadata[i + 1].z;
int indexLimit = startIndex + length;
GInstancedBatch batch = new GInstancedBatch(BATCH_MAX_INSTANCE_COUNT);
batch.prototypeIndex = prototypeIndex;
for (int j = startIndex; j < indexLimit; ++j)
{
batch.AddTransform(trs[j]);
}
batches[i] = batch;
}
cellsData[cellIndex].instancedBatches = batches;
}
private void CalculateAndCacheTransforms()
{
if (cellToProcess.Count == 0)
{
return;
}
bool willSkipFrame = false;
try
{
NativeArray <float> prototypePivotOffset = new NativeArray <float>(prototypes.Count, Allocator.TempJob);
NativeArray <Vector3> prototypeSize = new NativeArray <Vector3>(prototypes.Count, Allocator.TempJob);
for (int i = 0; i < prototypes.Count; ++i)
{
prototypePivotOffset[i] = prototypes[i].pivotOffset;
prototypeSize[i] = prototypes[i].size;
}
JobHandle[] handles = new JobHandle[cellToProcess.Count];
for (int i = 0; i < cellToProcess.Count; ++i)
{
int cellIndex = cellToProcess[i];
GGrassPatch cell = cells[cellIndex];
GGrassPatchNativeData nativeData = new GGrassPatchNativeData(cell.Instances);
cellsNativeData[cellIndex] = nativeData;
GCalculateGrassTransformJob job = new GCalculateGrassTransformJob()
{
instances = nativeData.instances,
transforms = nativeData.trs,
prototypePivotOffset = prototypePivotOffset,
prototypeSize = prototypeSize,
terrainSize = terrainSize,
terrainPos = terrainPosition
};
//handles[i] = job.Schedule();
handles[i] = job.Schedule(nativeData.instances.Length, 100);
}
GJobUtilities.CompleteAll(handles);
prototypePivotOffset.Dispose();
prototypeSize.Dispose();
}
catch (System.InvalidOperationException)
{
willSkipFrame = true;
}
catch (System.Exception e)
{
Debug.LogException(e);
}
if (willSkipFrame)
{
throw new GSkipFrameException();
}
}